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JAMES CHADWICK

JAMES CHADWICK

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JAMES CHADWICK

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  1. JAMES CHADWICK Nobel Prize in Physics for 1935

  2. Who’s James Chadwick? • Born in Cheshire, England • 20th october 1921 • Joseph Chadwick and Anne Mary Knowles

  3. Manchester high school and Manchester University • Honours School of Physics • 2 years Physical Laboratory in Manchester • Interned in Ruhleben

  4. Why did he won the Nobel Prize? • Fundamental discovery: He proved the existence of neutrons

  5. NEUTRONS • Elementary particles devoid of an electrical charge • Not overcome any electric barries • Is capable of penetrating and splitting the nuclei of the elements

  6. He prepared the way towards uranium 235 the creation of the atomic bomb

  7. Which was the historical approach? • Just before the second World War started

  8. Previous to the discovery • 1900: emergence of a new Physics • Detection of unexpected forms of radiations Wilhelm Röntgen Henri Becquerel Marie and Pierre Curie Rutherford and Soddy

  9. Applications nowadays • Applications in the earth science • Applications in the energy • Applications in the environment